<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="创建老师ID" prop="teacherId">
        <el-input
          v-model="queryParams.teacherId"
          placeholder="请输入创建老师ID"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="教师姓名" prop="teacherName">
        <el-input
          v-model="queryParams.teacherName"
          placeholder="请输入教师姓名"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程名称" prop="courseName">
        <el-input
          v-model="queryParams.courseName"
          placeholder="请输入课程名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程等级" prop="level">
        <el-input
          v-model="queryParams.level"
          placeholder="请输入课程等级"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程类型" prop="categoryId">
        <el-input
          v-model="queryParams.categoryId"
          placeholder="请输入课程类型"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="课程创建百分比" prop="percentage">
        <el-input
          v-model="queryParams.percentage"
          placeholder="请输入课程创建百分比"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['teach:course:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['teach:course:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['teach:course:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['teach:course:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>


    <div>
      <el-card class="operate-container" shadow="never">
        <i class="el-icon-tickets"></i>
        <span>我创建的课程</span>
<!--        <el-button-->
<!--          class="btn-add"-->

<!--          size="mini">-->

<!--        </el-button>-->
      </el-card>

      <el-card class="course-card" v-for="(course,index) in courseList" :key="index" :body-style="{ padding: '0px'}">
        <img height="190px" :src="course.icon == null ?  'assets/images/course_default.jpeg': course.icon" class="image">
        <div style="padding: 14px;">
          <span>{{course.courseName}} 完成度：{{course.percentage}}%</span>
          <div class="bottom clearfix">
            <time class="time">{{ course.createTime }}</time>
            <el-button type="text" class="button" @click="goEditCourse(course)">编辑</el-button>
          </div>
        </div>
      </el-card>
    </div>
    <div style="clear: both;">
      <el-card class="operate-container" shadow="never">
        <i class="el-icon-tickets"></i>
        <span>我参与的课程</span>
<!--        <el-button-->
<!--          class="btn-add"-->

<!--          size="mini">-->

<!--        </el-button>-->
      </el-card>
      <el-card class="course-card" v-for="(course,index) in courseList" :key="index" :body-style="{ padding: '0px'}">
        <img height="190px" src="https://cube.elemecdn.com/6/94/4d3ea53c084bad6931a56d5158a48jpeg.jpeg" class="image">
        <div style="padding: 14px;">
          <span>{{course.courseName}} 完成度：{{course.percentage}}%</span>
          <div class="bottom clearfix">
            <time class="time">{{ course.createTime }}</time>
            <el-button type="text" class="button" @click="goEditCourse(course)">编辑</el-button>
          </div>
        </div>
      </el-card>
    </div>

<!--    <el-table v-loading="loading" :data="courseList" @selection-change="handleSelectionChange">-->
<!--      <el-table-column type="selection" width="55" align="center" />-->
<!--      <el-table-column label="课程主键" align="center" prop="id" />-->
<!--      <el-table-column label="创建老师ID" align="center" prop="teacherId" />-->
<!--      <el-table-column label="教师姓名" align="center" prop="teacherName" />-->
<!--      <el-table-column label="课程名称" align="center" prop="courseName" />-->
<!--      <el-table-column label="课程简介" align="center" prop="description" />-->
<!--      <el-table-column label="课程封面" align="center" prop="icon" />-->
<!--      <el-table-column label="课程等级" align="center" prop="level" />-->
<!--      <el-table-column label="课程类型" align="center" prop="categoryId" />-->
<!--      <el-table-column label="课程创建百分比" align="center" prop="percentage" />-->
<!--      <el-table-column label="0->未完善;1->审核通过,2->未审核,3->审核未通过" align="center" prop="status" />-->
<!--      <el-table-column label="备注" align="center" prop="remark" />-->
<!--      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">-->
<!--        <template slot-scope="scope">-->
<!--          <el-button-->
<!--            size="mini"-->
<!--            type="text"-->
<!--            icon="el-icon-edit"-->
<!--            @click="handleUpdate(scope.row)"-->
<!--            v-hasPermi="['teach:course:edit']"-->
<!--          >修改</el-button>-->
<!--          <el-button-->
<!--            size="mini"-->
<!--            type="text"-->
<!--            icon="el-icon-delete"-->
<!--            @click="handleDelete(scope.row)"-->
<!--            v-hasPermi="['teach:course:remove']"-->
<!--          >删除</el-button>-->
<!--        </template>-->
<!--      </el-table-column>-->
<!--    </el-table>-->

<!--    <pagination-->
<!--      v-show="total>0"-->
<!--      :total="total"-->
<!--      :page.sync="queryParams.pageNum"-->
<!--      :limit.sync="queryParams.pageSize"-->
<!--      @pagination="getList"-->
<!--    />-->

    <!-- 添加或修改课程对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="创建老师ID" prop="teacherId">
          <el-input v-model="form.teacherId" placeholder="请输入创建老师ID" />
        </el-form-item>
        <el-form-item label="教师姓名" prop="teacherName">
          <el-input v-model="form.teacherName" placeholder="请输入教师姓名" />
        </el-form-item>
        <el-form-item label="课程名称" prop="courseName">
          <el-input v-model="form.courseName" placeholder="请输入课程名称" />
        </el-form-item>
        <el-form-item label="课程简介" prop="description">
          <el-input v-model="form.description" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="课程封面" prop="icon">
          <el-input v-model="form.icon" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="课程等级" prop="level">
          <el-input v-model="form.level" placeholder="请输入课程等级" />
        </el-form-item>
        <el-form-item label="课程类型" prop="categoryId">
          <el-input v-model="form.categoryId" placeholder="请输入课程类型" />
        </el-form-item>
        <el-form-item label="课程创建百分比" prop="percentage">
          <el-input v-model="form.percentage" placeholder="请输入课程创建百分比" />
        </el-form-item>
        <el-form-item label="删除标志" prop="delFlag">
          <el-input v-model="form.delFlag" placeholder="请输入删除标志" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listCourse, getCourse, delCourse, addCourse, updateCourse } from "@/api/teach/course";

export default {
  name: "Course",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 课程表格数据
      courseList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        teacherId: null,
        teacherName: null,
        courseName: null,
        description: null,
        icon: null,
        level: null,
        categoryId: null,
        percentage: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        teacherId: [
          { required: true, message: "创建老师ID不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    goEditCourse:function(data){
      this.$router.push({path:'/addCourse/ready/addTitle',query:{courseId:data.id,courseName:data.courseName}});
    },
    /** 查询课程列表 */
    getList() {
      this.loading = true;
      listCourse(this.queryParams).then(response => {
        this.courseList = response.rows;
        for (let i = 0; i < this.courseList.length; i++) {
          this.courseList[i].icon = process.env.VUE_APP_BASE_API + this.courseList[i].icon
        }
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        teacherId: null,
        teacherName: null,
        courseName: null,
        description: null,
        icon: null,
        level: null,
        categoryId: null,
        percentage: null,
        status: 0,
        createBy: null,
        updateBy: null,
        createTime: null,
        updateTime: null,
        delFlag: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加课程";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getCourse(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改课程";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateCourse(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCourse(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除课程编号为"' + ids + '"的数据项？').then(function() {
        return delCourse(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('teach/course/export', {
        ...this.queryParams
      }, `course_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>

<style scoped>
.course-card{
  width:330px;float:left;margin:10px;
}
.time {
  font-size: 13px;
  color: #999;
}

.bottom {
  margin-top: 13px;
  line-height: 12px;
}

.button {
  padding: 0;
  float: right;
}

.image {
  width: 100%;
  display: block;
}

.clearfix:before,
.clearfix:after {
  display: table;
  content: "";
}

.clearfix:after {
  clear: both
}
</style>
